通过努力,他们终于成功地完成了这项工程.After ___ hard,they ____ ____ _____ the project at last.

题目

通过努力,他们终于成功地完成了这项工程.After ___ hard,they ____ ____ _____ the project at last.

答案

After (working) hard,they (succeeded) (in) (completing)the project at last.